/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.smartandroid.sa.sherlock.view;

import android.view.View;

import com.smartandroid.sa.sherlock.view.MenuItem.OnActionExpandListener;

/**
 * When a {@link View} implements this interface it will receive callbacks when
 * expanded or collapsed as an action view alongside the optional, app-specified
 * callbacks to {@link OnActionExpandListener}.
 * 
 * <p>
 * See {@link MenuItem} for more information about action views. See
 * {@link android.app.ActionBar} for more information about the action bar.
 */
public interface CollapsibleActionView {
	/**
	 * Called when this view is expanded as an action view. See
	 * {@link MenuItem#expandActionView()}.
	 */
	public void onActionViewExpanded();

	/**
	 * Called when this view is collapsed as an action view. See
	 * {@link MenuItem#collapseActionView()}.
	 */
	public void onActionViewCollapsed();
}
